CVE-2010-0006

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-01-26 · updated 2026-06-16
Weakness: CWE-476

Description

The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in the Linux kernel before 2.6.32.4, when network namespaces are enabled, allows remote attackers to cause a denial of service (NULL pointer dereference) via an invalid IPv6 jumbogram, a related issue to CVE-2007-4567.

Affected products

Linux kernel: before 2.6.32.4 — fixed in 2.6.32.4

How to fix

Upgrade to a fixed version: Linux kernel 2.6.32.4. Check the vendor advisory for mitigations.

References

http://bugs.gentoo.org/show_bug.cgi?id=300951
http://cert.fi/en/reports/2010/vulnerability341748.html
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2570a4f5428bcdb1077622342181755741e7fa60
http://lists.fedoraproject.org/pipermail/package-announce/2010-January/034250.html
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html
http://marc.info/?l=linux-netdev&m=126343325807340&w=2
http://secunia.com/advisories/38168
http://secunia.com/advisories/38333
http://security-tracker.debian.org/tracker/CVE-2010-0006
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.4
http://www.openwall.com/lists/oss-security/2010/01/14/2
http://www.osvdb.org/61876

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